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Early androgens, activity levels and toy choices of children in the second year of life.
Horm Behav. 2012 Sep; 62(4):500-4.HB

Abstract

The hypothesis that stronger preferences for active play styles contribute to stronger preferences for male-typical toys was examined in 47 boys and 37 girls at 19-months of age using ambulatory monitoring technology (i.e., actigraphy) to measure activity levels during contact with male-typical, female-typical, and gender-neutral toys. Digit ratios and salivary testosterone levels were measured earlier in children at 3-4 months of age. There were no significant sex differences in digit ratios, salivary testosterone levels, or overall activity levels during toy play. In contrast, contact times showed large sex differences in infants' toy preferences. The within-sex comparisons showed that infant girls had significant preferences for female-typical toys over male-typical toys, whereas infant boys showed only a small preference for male-typical toys over female-typical toys. More male-typical digit ratios in early infancy predicted higher activity counts during toy play and less female-typical toy preferences in girls. However, in both sexes, activity levels were unrelated to toy preferences suggesting that factors other than activity level preferences contribute to the early emergence of gender-linked toy preferences.

Authors+Show Affiliations

Department of Psychology, Texas A&M University, College Station, TX 77843, USA. galexander@tamu.eduNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

22955184

Citation

Alexander, Gerianne M., and Janet Saenz. "Early Androgens, Activity Levels and Toy Choices of Children in the Second Year of Life." Hormones and Behavior, vol. 62, no. 4, 2012, pp. 500-4.
Alexander GM, Saenz J. Early androgens, activity levels and toy choices of children in the second year of life. Horm Behav. 2012;62(4):500-4.
Alexander, G. M., & Saenz, J. (2012). Early androgens, activity levels and toy choices of children in the second year of life. Hormones and Behavior, 62(4), 500-4. https://doi.org/10.1016/j.yhbeh.2012.08.008
Alexander GM, Saenz J. Early Androgens, Activity Levels and Toy Choices of Children in the Second Year of Life. Horm Behav. 2012;62(4):500-4. PubMed PMID: 22955184.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Early androgens, activity levels and toy choices of children in the second year of life. AU - Alexander,Gerianne M, AU - Saenz,Janet, Y1 - 2012/08/30/ PY - 2012/05/04/received PY - 2012/08/20/revised PY - 2012/08/22/accepted PY - 2012/9/8/entrez PY - 2012/9/8/pubmed PY - 2013/4/18/medline SP - 500 EP - 4 JF - Hormones and behavior JO - Horm Behav VL - 62 IS - 4 N2 - The hypothesis that stronger preferences for active play styles contribute to stronger preferences for male-typical toys was examined in 47 boys and 37 girls at 19-months of age using ambulatory monitoring technology (i.e., actigraphy) to measure activity levels during contact with male-typical, female-typical, and gender-neutral toys. Digit ratios and salivary testosterone levels were measured earlier in children at 3-4 months of age. There were no significant sex differences in digit ratios, salivary testosterone levels, or overall activity levels during toy play. In contrast, contact times showed large sex differences in infants' toy preferences. The within-sex comparisons showed that infant girls had significant preferences for female-typical toys over male-typical toys, whereas infant boys showed only a small preference for male-typical toys over female-typical toys. More male-typical digit ratios in early infancy predicted higher activity counts during toy play and less female-typical toy preferences in girls. However, in both sexes, activity levels were unrelated to toy preferences suggesting that factors other than activity level preferences contribute to the early emergence of gender-linked toy preferences. SN - 1095-6867 UR - https://www.unboundmedicine.com/medline/citation/22955184/Early_androgens_activity_levels_and_toy_choices_of_children_in_the_second_year_of_life_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0018-506X(12)00201-2 DB - PRIME DP - Unbound Medicine ER -